Sentiment analysis (also opinion retrieval/mining) is a very useful area of research as once fully functional it would enable us to determine the overall sentiment in text. We could for example determine automatically if product reviews are negative or positive, if a blog post is in agreement or d[...]
Posts Tagged ‘Tsinghua University;’
January 15th, 2009 - 3:21 pm § in Search engines
Search Engine Result Evaluation
Search engines are often evaluated using information retrieval techniques such a precision and recall. These methods are very effective metrics in these systems but less so in search engines. The reasons for this is that high precision isn’t necessarily a good measure of user satisfaction.[...]
